3-Bromo-2-benzofuran-1(3H)-one(CAS: 6940-49-4)

3-Bromo-2-benzofuran-1(3H)-one (CAS: 6940-49-4) is a crystalline compound with a molecular weight of approximately 211.03 g/mol. It is slightly soluble in water but more soluble in organic solvents like ethanol and acetone. Chemically, it is highly reactive, especially towards nucleophiles and reducing agents. It can undergo bromination, acetylation, and other electrophilic aromatic substitution reactions.

3-Bromo-2-benzofuran-1(3H)-one is commonly synthesized via bromination of 2-benzofuran-1(3H)-one. The synthesis typically involves treating the starting material with bromine in the presence of a base like sodium hydroxide. The reaction yields a mixture that can be purified by recrystallization or chromatography.

3-Bromo-2-benzofuran-1(3H)-one (CAS: 6940-49-4) is used in the pharmaceutical industry for the synthesis of certain drugs, in the polymer industry for additive formulations, and in the electronic industry for the development of sensors and semiconductors. Its unique chemical structure makes it valuable for these applications.

When handling 3-Bromo-2-benzofuran-1(3H)-one (CAS: 6940-49-4), it is important to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. The compound should be handled in a well-ventilated area or a fume hood due to its volatility and potential reactivity. In case of a spill, immediately neutralize the area with water and clean up using appropriate chemical absorbents. Always consult the Safety Data Sheet (SDS) for detailed handling and disposal instructions.